Crock-Pot Chicken Fajita Casserole Recipe (2024)

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Make this healthy Weight Watchers friendly Crock-Pot Chicken Fajita Casserole for dinner today. With just a few simple ingredients you can have dinner cooking in no time flat!

Crock-Pot Chicken Fajita Casserole Recipe (1)

Slow Cooker Chicken Fajita Casserole

With just 4 ingredients (plus a little bit of water) you can have this super tasty chicken fajita casserole cooking away in your slow cooker in no time flat.

Pictured here we served the casserole over cooked rice but you can eat the casserole just as it is or over cauliflower rice for a low carb and Keto friendly recipe.

Additionally if carbs are not an issue serving with corn or flour tortillas or even tortilla chips would be fantastic too!

Dig on in to this simple and frugal recipe for dinner tonight!

Crock-Pot Chicken Fajita Casserole Recipe (2)

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Crock-Pot Chicken Fajita Casserole Recipe (3)

Frequently Asked Questions

Do I Have To Use Frozen Peppers And Onions?

To save some time prepping this recipe we opted to use a 20 ounce bag of frozen pre-chopped peppers and onions. However you can use and cut up your own fresh bell peppers (any color will work… red, yellow, orange, even purple!) and onion. You will want end up with about 2 cups chopped bell pepper and 1 cup onion. There is no difference in the cooking time using fresh bell peppers and onions over using frozen.

Can I Use Other Cuts Of Meat In This Casserole?

This recipe would be great using boneless skinless chicken thighs as well instead of the chicken breasts. However thigh meat does not shred quite as easily as breast meat does. In that case instead of shredding I recommend dicing the cooked chicken thigh meat up once it is done cooking,

Can I Use Make My Own Homemade Fajita Seasoning?

If you cannot find packets of fajita seasoning at your local grocery store or you just want to make your own fajita seasoning mix without any added salt, sugar, MSG or anything else unhealthy… check out our Homemade Fajita Seasoning Mix.

Special Diets

Gluten Free | Low Carb | Low Sugar

This recipe for Crock-Pot Chicken Fajita Casserole is Weight Watchers Friendly on the new Personal Points plan. You can see the WW personal points for this recipe here on the Weight Watchers website. Click here for MORE of our Weight Watchers Recipes

More Great Mexican Inspired Slow Cooker Recipes!

  • Crock-Pot Chicken Tacos
  • Slow Cooker Mexican Red Beans
  • Slow Cooker Peach Salsa Chicken
  • Crock-Pot Mexican Pork Stew

Crock-Pot Chicken Fajita Casserole Recipe (4)

Crock-Pot Chicken Fajita Casserole Recipe

Heidi Kennedy

This yummy casserole has all the flavors of your favorite chicken fajitas in a tasty slow cooker casserole. Bake it in your 3.5 quart casserole slow cooker OR a 6 quart or larger oval slow cooker. Serve with tortillas (flour or corn), cooked rice or tortilla chips for an amazing dinner any night of the week

3.95 from 20 votes

Print Recipe Pin Recipe

Prep Time 10 minutes mins

Cook Time 4 hours hrs

Total Time 4 hours hrs 10 minutes mins

Course Entrée

Cuisine Mexican

Servings 6 Servings

Calories 417 kcal

Ingredients

Instructions

  • Spread out frozen peppers and onions in the bottom of a 3.5 quart casserole slow cooker OR a 6 quart or larger oval slow cooker.

  • Lay chicken breasts on top of the peppers and onions.

  • Sprinkle fajita seasoning over everything, the sprinkle the water over everything.

  • Cover and cook on HIGH for 4 hours or until chicken is cooked through and easily shredded.

  • Shred chicken meat with two forks and mix together with the peppers and onions.

  • Evenly sprinkle shredded cheese over top and replace cover. Cook for an additional 15 minutes to allow the cheese to melt.

  • Serve over cooked rice, or with flour or corn tortillas or tortilla chips if desired.

  • Enjoy!

Notes

To make clean up easier you may wish to either line your slow cooker with a slow cooker liner or spray with non-stick cooking spray. Weight Watchers Points calculated using 2 cups of Kraft Fat Free Shredded Cheddar Cheese and does not include any rice, tortillas or chips you may serve it with.

Nutrition

Calories: 417kcal | Carbohydrates: 11g | Protein: 34g | Fat: 27g | Saturated Fat: 18g | Monounsaturated Fat: 1g | Cholesterol: 47mg | Sodium: 1013mg | Fiber: 1g | Sugar: 2g

Tried this recipe?Rate the recipe and then let us know how it was!

Crock-Pot Chicken Fajita Casserole Recipe (5)

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Crock-Pot Chicken Fajita Casserole Recipe (2024)

FAQs

How long does chicken have to be in the crockpot? ›

Pour water over the chicken breasts so that it just barely covers them. Sprinkle the chicken breasts with plenty of salt and pepper. Cover your crock pot and cook chicken breasts on low for 6-7 hours or on high for 3-4 hours. Chicken is done when the internal temp reaches 165 degrees F.

How long does thin chicken take in crockpot? ›

I was able to get thin sliced chicken breasts from my local store, 2.5lbs for about $7 or so. Low and slow for 8 hours with a couple cans of cream of mushroom soup and I was good to go. The chicken was super tender and shreddable and delicious.

What to do with leftover fajita veggies? ›

Chop the fajita veggies and cook them into a frittata. Mix the fresh onion, cucumber and tomato together, give it a squeeze of lime, a dash of olive oil, salt, pepper and some chopped herbs, like basil or cilantro. Serve the frittata with the salsa on top.

Is it better to cook crockpot chicken on high or low? ›

We found that the only way to cook chicken (and turkey) in a slow cooker is on the low setting and for a relatively short amount of time.

Is 4 hours long enough to slow cook chicken? ›

A great rule of thumb is: For a whole chicken – Place it in your slow cooker breast side down. Cover with the lid and cook on High for around 4-5 hours or Low for 6-8 hours.

What happens if you leave chicken in slow cooker too long? ›

Mushy, mealy, stringy chicken, which is sometimes the result of cooking low and slow for an extended period of time. I've learned this the hard way, after many attempts at cooking chicken in the crockpot on a workday, for 8 plus hours at a time.

Can you overcook chicken in slow cooker? ›

Can you overcook chicken in the slow cooker? Yes, it is possible! If the meat is cooked too long it could end up dry and not juicy and tender. The recommended times in my recipe are ideal for juicy results, but if you use less chicken than the recipe calls for I would recommend checking it sooner.

Is it safe to cook raw chicken on low in a slow cooker? ›

Research conducted by USDA FSIS indicates it's safe to cook large cuts of meat and poultry in a slow cooker.

Are fajita veggies anti inflammatory? ›

Grilled or Sautéed Onions & Peppers in Fajitas

Both onions and peppers contain a lot of vitamin C which is a metabolized protein that helps boost our immune system. Onions are rich in antioxidants and work as an anti-inflammatory.

What do you eat next to fajitas? ›

12 Best Side Dishes for Fajitas
  • Avocado Salad.
  • Quick and Easy Refried Beans.
  • Easy Spicy Roasted Potatoes.
  • Jeff's Chili Con Queso.
  • Cilantro Tomato Corn Salad.
  • Fresco Salsa.
  • Instant Pot® Chicken Posole Verde.
  • Spanish Rice II.
Jul 19, 2019

Is chicken cooked after 3 hours in slow cooker? ›

Place the chicken and stock, broth, or water in a 4-quart or larger slow cooker. Cook the chicken. Cover and cook until the chicken is tender and registers an internal temperature of 165°F, 4 to 5 hours on the LOW setting, or 2 to 3 hours on the HIGH setting.

Can you cook chicken in crockpot on high for 2 hours? ›

Cook bone-in chicken breasts in slow cooker on LOW for 2-3 hours or HIGH for 1-2 hours. Bone-in chicken is less likely to dry out than boneless, so you have the flexibility to cook the chicken on high. Based on medium bone-in chicken breast with a weight of 11 ounces.

Is it OK to put raw chicken in slow cooker? ›

Yes, you most certainly can cook raw meat in the slow cooker! You put it in “cold”, with whatever liquid your recipe calls for, turn it on either “low” or “high” depending on your recipe (I usually start it on “high” for a couple hours, then turn it to “low”), and in 6–7–8 hours, it's now COOKED meat!

How do you know when chicken is done in a slow cooker? ›

Temp it! If the chicken is around 165 f or so, you have cooked chicken. My concern here is that if you have pink chicken after 8 hours of cooking, you might not have hit the "165 f in four hours" benchmark, which could mean that your meal could be potentially hazardous.

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